07-Python

Roadmap/07 - PILAS Y COLAS/python/Irenetitor.py

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+#Stacks - LIFO (Last In First Out)
+stack = []
+
+stack.append(1)
+stack.append(2)
+stack.append(3)
+stack.append(4)
+
+print(stack)
+
+print(stack.pop())
+print(stack.pop())
+print(stack)
+
+#Queue - FIFO (First In First Out)
+queue = []
+
+queue.append(6)
+queue.append(7)
+queue.append(8)
+queue.append(9)
+
+print(queue)
+
+print(queue.pop(0))
+print(queue.pop(0))
+
+print(queue)
+
+#Extra exercises
+#First
+
+def browsing_web():
+
+    moves = []
+
+    while True:
+        action = input("Add a URL or interact using the following words: forward, back, exit.")
+
+        if action == "forward":
+            pass
+        elif action == "back":
+            if len(moves) > 0:
+                moves.pop()
+        elif action == "exit":
+            print(f"Leaving the website")
+            break
+        else:
+            moves.append(action)
+
+        if len(action) > 0:
+            print(f"You have navigated to: {moves[len(moves) - 1]}")
+        else:
+            print("You are on the home page.")
+
+browsing_web()
+
+#Second
+
+def print_doc():
+
+    Docs = []
+
+    while True:
+
+        action = input("Add a document or select print/exit: ")
+
+        if action == "exit":
+            break
+        elif action == "print":
+            print(f"Printing: {Docs(0)}")
+        else:
+            Docs.append(action)
+
+    print(f"Print queue: {Docs}")
+
+print_doc()